Code of Federal Regulations. The printed forum for all federal regulations. Each agency or groups of agencies are found under a different code. For example, EPA is found in Title 40; OSHA under Title 29; and DOT under Title 49.

CWA

Clean Water Act

Dermatitis

Skin rash; inflammation of skin

DOT

The Department of Transportation

DOT ID #s

Four-digit numbers used to identify particular materials for purposes of transportation. UN is for both domestic and international transportation; NA is for domestic transportation only.

EINECS

The European Inventory of Existing Chemical Substances. A list of chemical substances that were marketed in the European Community between 1/1/71 and 9/18/81. Rules for inclusion of substances were different that US TSCA regulations.

EPA

The Environmental Protection Agency

FIFRA

The Federal Insecticide, Fungicide and Rodenticide Act . Regulation of pesticides including biocides.

Flammable
Liquid

Under RCRA and DOT, a liquid with a flash point at or below 141°F.

HAP

Hazardous Air Pollutant under Clean Air Act Amendments of 1990

HMIS

Hazardous Material Identification System

IARC

International Agency for Research on Cancer. One of the sources of data on a material’s carcinogenicity.

Mutagen

Material that induces genetic changes in the DNA.

LC50

The amount necessary to kill half the test animal population in an inhalation study.

LD50

The amount necessary to kill half the test animal population in an oral ingestion study.

NFPA

National Fire Protection Association

NIOSH

The National Institute for Occupation Safety and Health

NO2

Nitrous Oxides

NTP

National Toxicology Program. One of the sources for information on a material’s carcinogenicity.

OSHA

The Occupational Safety and Health Administration

PAH

Polyaromatic Hydrocarbons. Also called PNAs (polynuclear aromatics) or PCAs (polycyclic aromatics). Cyclic hydrocarbons of which many of these materials are carcinogenic or are converted to carcinogens when metabolized by animals or humans. In Europe, the level of PAHs in mineral oil determines whether these oils are labeled as carcinogenic.

PEL

Permissible Exposure Limit. An eight hour time weighted average level at which the majority of employees may be exposed to without undue health effects. Established by OSHA and listed in 29 CFR 1910.1000.